Detailinformatie over de film A Monster Calls

Max Gabbay (Steven), Garry Marriott (Paramedic), James Melville (Harry), Ben Moor (Mr. Clark), Frida Palsson (Lily's Mum), Oliver Steer (Sully), Morgan Symes (Lawyer)

Marc Bech, Oriol Tarragó

Belén Atienza, Mitch Horwits, Jonathan King

Apaches Entertainment, Baraboom! Studios, El Ranchito, Entertainment One, Focus Features, La Trini, Metropolitan Filmexport, Mongkol Major, Participant Media, River Road Entertainment